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//===-- Core/IncludeExcludeInfo.h - IncludeExclude class def'n --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief This file provides the definition for the IncludeExcludeInfo class
/// to handle the include and exclude command line options.
///
//===----------------------------------------------------------------------===//
#ifndef CLANG_MODERNIZE_INCLUDEEXCLUDEINFO_H
#define CLANG_MODERNIZE_INCLUDEEXCLUDEINFO_H
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/system_error.h"
#include <vector>
/// \brief Class encapsulating the handling of include and exclude paths
/// provided by the user through command line options.
class IncludeExcludeInfo {
public:
/// \brief Read and parse a comma-separated lists of paths from
/// \a IncludeString and \a ExcludeString.
///
/// Returns error_code::success() on successful parse of the strings or
/// an error_code indicating the encountered error.
std::error_code readListFromString(llvm::StringRef IncludeString,
llvm::StringRef ExcludeString);
/// \brief Read and parse the lists of paths from \a IncludeListFile
/// and \a ExcludeListFile. Each file should contain one path per line.
///
/// Returns error_code::success() on successful read and parse of both files
/// or an error_code indicating the encountered error.
std::error_code readListFromFile(llvm::StringRef IncludeListFile,
llvm::StringRef ExcludeListFile);
/// \brief Determine if the given path is in the list of include paths but
/// not in the list of exclude paths.
///
/// \a FilePath shouldn't contain relative operators i.e. ".." or "." since
/// Path comes from the include/exclude list of paths in which relative
/// operators were removed.
bool isFileIncluded(llvm::StringRef FilePath) const;
/// \brief Determine if a file path was explicitly excluded.
bool isFileExplicitlyExcluded(llvm::StringRef FilePath) const;
/// \brief Determine if a list of include paths was provided.
bool isIncludeListEmpty() const { return IncludeList.empty(); }
private:
std::vector<std::string> IncludeList;
std::vector<std::string> ExcludeList;
};
#endif // CLANG_MODERNIZE_INCLUDEEXCLUDEINFO_H
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